NP149's came equipped in GM vehicles with RPO codes: M32 & NP3
- Measured from center of U/Joint to center of furthest U/Joint with the driveshaft collapsed
Chevrolet Express 3500 (2009-2017)
Pontiac Catalina (1975-1981)
Oldsmobile Cutlass (1973-1977)
Master Overhaul Kit for '93 & Up Dana 44 IFS Front Differential Chains & Sprockets - Model NP207 NP149's came equipped in GMKoyo Master Bearing Kit by USA Standard Gear Description USA Standard Master Overhaul kit for the '93 & up Dana 44 IFS front differential. USA Standard Master Overhaul kits let you finish your install with confidence. Fits 1993 and up Dana Spicer 44 IFS Uses Koyo bearings and races Included are carrier bearings and races, pinion bearings and races, pinion seal, axle seals, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker,